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All Journal Teknika JREC (Journal of Electrical and Electronics) Journal of Electrical Technology Jurnal Biologi Tropis SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Chemurgy Media Ilmiah Teknik Lingkungan Jurnal Teknik Lingkungan Jurnal Ilmiah Wahana Pendidikan Teknologika Lingkar : Journal of Environmental Engineering Journal Serambi Engineering (JSE) Indonesian Journal of Chemical Science
Wilma Nurrul Adzilla
Universitas Singaperbangsa Karawang
Religion Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Water Availability Analysis of the Cilamaya Watershed Using the F.J. Mock Method: Analisis Ketersediaan Air DAS Cilamaya Berdasarkan Metode F.J. Mock Shafa Camilla Az-zahra; Wilma Nurrul Adzillah; Zulfa Amala
Media Ilmiah Teknik Lingkungan (MITL) Vol. 11 No. 1 (2026): Media Ilmiah Teknik Lingkungan (MITL)
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mitl.v11i1.11517

Abstract

Water availability is a critical factor in sustainable watershed management, particularly in areas experiencing climatic variability and land-use pressure such as the Cilamaya Watershed in West Java, Indonesia. This study aims to analyze water availability in the Cilamaya Watershed using the F.J. Mock hydrological method based on climatological data and watershed characteristics. The data used include rainfall, air temperature, relative humidity, wind speed, and sunshine duration, which were processed to estimate the water balance and monthly discharge. The results indicate that river discharge in the Cilamaya Watershed exhibits strong seasonal fluctuations, with high flows during the rainy season and a sharp decline during the dry season. During several dry months, the model results show water deficit conditions, as low rainfall is unable to compensate for water losses through evapotranspiration. The dependable flow analysis (Q90) reveals that reliable water availability occurs mainly during the rainy season, while in the dry season the watershed is unable to guarantee a sustainable minimum flow. These findings demonstrate that the Cilamaya Watershed has a high level of hydrological vulnerability, highlighting the need for adaptive water resources management strategies, particularly through strengthening infiltration functions and regulating water use during dry periods.
The Analisis Sistem Kerja ATIS (Automatic Terminal Information Service) di AIRNAV Cabang Medan Amnur Pinomo Manurung; Yuliarman Saragih; Wilma Nurrul Adzilla
JREC (Journal of Electrical and Electronics) Vol. 9 No. 1 (2021): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jrec.v9i1.2528

Abstract

Keselamatan merupakan hal yang utama dalam dunia penerbangan, sehingga setiap instrumen penerbangan harus dipastikan dapat bekerja dengan baik. ATIS (Automatic Terminal Information Service) adalah alat yang digunakan untuk memberi informasi seperti cuaca, landasan pacu aktif, dan informasi lainnya yang dibutuhkan oleh pilot ketika melakukan lepas landas atau mendaratkan pesawat terbang. Informasi tersebut disiarkan dan ditransmisikan setiap saat untuk mengurangi kesibukan komunikasi di radio penerbangan. Oleh sebab itu, ATIS merupakan salah satu instrumen penting dalam penerbangan. Kinerja ATIS harus selalu diperhatikan dan dilakukan pemeliharaan yang baik, sehingga dapat menghindari terjadinya gangguan aktvitas penerbangan dan tetap terjaganya keselamatan penumpang serta awak pesawat. Penelitian ini menyajikan kestabilan data ATIS dengan tingkat keberhasilan mencapai 99,9%.
ASSESSING PM2.5 EMISSION REDUCTION THROUGH COMMUNITY GREEN BEHAVIOR IN EAST JAKARTA: A SYSTEM DYNAMICS APPROACH Chaisya Wilver; Wilma Nurrul Adzillah; Aries Purwanto
Lingkar: Journal of Environmental Engineering Vol. 7 No. 1 (2026): LINGKAR : Journal of Environmental Engineering
Publisher : Department of Environmental Engineering (Prodi Teknik Lingkungan), Fakultas Sains dan Teknologi, UIN Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ljee.v7i1.10311

Abstract

East Jakarta faces a severe PM₂.₅ air quality crisis, with concentrations reaching 147.64 µg/m³ nearly ten times the national standard of 15 µg/m³. This study quantifies the potential of community green behavior to reduce PM₂.₅ emissions through a system dynamics approach. Data from 100 respondents collected through proportional quota sampling were extrapolated to the East Jakarta household population (867,399 households) and incorporated into a Vensim PLE simulation model. The baseline inventory revealed total PM₂.₅ emissions of 952.86 ton/year, dominated by the waste sector (85.6%), while vegetation absorbs only 102.78 ton/year, leaving a net deficit of 850.08 ton/year. The community Green Behavior Index (GBI) averaged 2.67 out of 5 (moderate); waste management registered the lowest GBI (2.30) despite its highest emission share, revealing a structural behavioral paradox. Four scenarios at moderate (GBI = 3.4) and optimistic (GBI = 4.2) intervention levels were simulated. The best case scenario achieved 23.36% emission reduction, with waste related behavior contributing 62.4% of that potential. Under the optimistic full sector scenario, emission absorption equilibrium is projected between 2035 and 2044, compared to approximately 2050 under Business as Usual. Green behavior is necessary but not sufficient; structural interventions remain essential.
Implementasi Pemantauan Kualitas Udara dengan Menggunakan MQ-7 dan MQ-131 Berbasis Internet of Things Dwi Prasetyo; Ibrahim Ibrahim; Wilma Nurrul Adzilla; Yuliarman Saragih
JET (Journal of Electrical Technology) Vol 6, No 1 (2021): JET Edisi Februari
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/jet.v6i1.3793

Abstract

Pencemaran udara adalah suatu keadaan dimana kualitas udara menjadi rusak dan tercemar oleh zat-zat yang tidak berbahaya dan berbahaya bagi kesehatan manusia. Beberapa gas berbahaya di udara seperti: CO, CO2, O3 dan lain-lain. Gas Karbon Monoksida (CO) tidak berbau dan tidak dapat dilihat oleh mata, oleh karena itu manusia dan makhluk hidup lainnya tidak dapat mengetahui keberadaan gas-gas tersebut. Manusia bisa tahu kapan mereka merasakan dampaknya. Dalam hal ini telah dibuat alat ukur kualitas udara yang dapat dibawa kemana-mana dengan mudah dan digunakan pengukuran real time untuk mengukur kualitas udara berdasarkan Air Pollution Standard Index (ISPU). Penelitian ini terbukti bermanfaat dengan menggunakan Sensor MQ-7 untuk mengukur gas karbon monoksida (CO) dan MQ-131 untuk mengukur gas Ozon (O3). Hasil pengukuran alat perancangan mampu menghasilkan persentase kesalahan Karbon Monoksida (CO) yaitu 1,25 dan Ozon (O3) 0,2.
Analysis of Small-Scale Tofu Industry Wastewater Characteristics for Optimal Wastewater Treatment: Analisis Karakteristik Limbah Cair Pada Industri Tahu Skala Rumahan untuk Pengolahan Limbah Cair yang Optimal Sethiavi Rizki; Wilma Nurrul Adzillah; Zulfa Amala
Media Ilmiah Teknik Lingkungan (MITL) Vol. 11 No. 2 (2026): Media Ilmiah Teknik Lingkungan (MITL)
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mitl.v11i2.12606

Abstract

Small-scale tofu industries have the potential to pollute the environment with the liquid waste generated during the tofu-making process. Liquid waste from the tofu industry has COD and BOD concentrations of up to 9,308 mg/L and 3,191 mg/L, respectively, which exceed the quality standards set forth in Ministry of Environment Regulation No. 5 of 2014. This study aims to identify and analyze the characteristics of liquid waste in the tofu industry to determine the appropriate treatment method based on the BOD/COD ratio. The research was conducted by collecting samples using the grab sampling method, followed by an analysis of the results of the waste characteristic tests. Based on the research results, it was found that one of the liquid wastes from the tofu industry in Karawang Regency had COD and BOD values of 6,062.5 mg/L and 570.5 mg/L, respectively, with a BOD/COD ratio of 0.09. These conditions prevent the direct application of biological treatment and necessitate pre-treatment in the form of physical or chemical treatment combined with biological treatment, such as wastewater treatment using filtration and constructed wetlands.
Estimated Greenhouse Gas Emissions from The Composting Process of Organic Waste in Karawang’s Urban Forest Hurrul'Ain Quinizza; Wilma Nurrul Adzillah; Gina Lova Sari
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11362

Abstract

The accumulation of organic waste in the form of leaves and branches that is not optimally managed in Karawang Regency has the potential to increase GHG emissions through the natural decomposition process. This study aims to estimate the amount of organic waste and GHG emissions generated from the management of leaves and twigs in the Karawang Urban Forest. The study was conducted using quantitative and qualitative approaches with purposive sampling of organic waste over eight days of observation, representing active waste management activities at the study site. GHG emissions were estimated using the 2006 IPCC Tier-1 guidelines due to limited local specific data, covering the waste sector (composting) and the energy sector (use of machinery and transportation). The results showed that the composting process produced relatively low GHG emissions compared to supporting activities, while the transportation sector was the largest contributor to emissions in the organic waste management system. These findings indicate that GHG emission mitigation strategies in organic waste management in urban areas need to focus on improving transportation and operational efficiency, accompanied by strengthening controlled aerobic composting practices to support more sustainable environmental management.
Pemodelan Sebaran BOD dan COD Pada Sungai Cigentis Menggunakan QUAL2Kw Aldi Yanto; Wilma Nurrul Adzillah; Fatma Nurkhaerani
TEKNIKA Vol. 19 No. 2 (2025): Teknika Mei 2025
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14635821

Abstract

Pencemaran air Sungai Cigentis akibat limbah domestik dan aktivitas pertanian menurunkan kualitas air dan mengancam lingkungan. Penelitian ini bertujuan untuk memodelkan distribusi konsentrasi Biochemical Oxygen Demand (BOD) dan Chemical Oxygen Demand (COD) di Sungai Cigentis, menggunakan perangkat lunak QUAL2Kw. Data diambil melalui metode grab sampling pada tiga segmen sungai hulu, tengah, dan hilir, dan dianalisis berdasarkan skenario debit maksimum dan debit aktual. Hasil penelitian menunjukkan peningkatan konsentrasi BOD dan COD serta penurunan pH pada debit maksimum, dengan konsentrasi tertinggi di segmen hilir BOD 3,54 mg/L, COD 14,14 mg/L, pH 7,48. Sebaliknya, pada debit aktual, konsentrasi parameter pada segmen hilir lebih rendah BOD 2,82 mg/L, COD 3,91 mg/L, pH 8,30. Kondisi debit maksimum memperlihatkan limpasan permukaan membawa beban pencemar lebih tinggi, khususnya dari aktivitas domestik dan pertanian di sekitar sungai. Penelitian ini memberikan gambaran distribusi parameter kualitas air yang dapat digunakan sebagai referensi pengelolaan lingkungan sungai.
Solusi Permasalahan Sisa Produk Industri FMCG Menjadi Sabun Cuci Piring Berio Sofyan Niantoro; Wilma Nurrul Adzillah; Kania Ratnawati; Farradina Choria Suci
TEKNIKA Vol. 19 No. 2 (2025): Teknika Mei 2025
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14751974

Abstract

PT. X yang berlokasi di Kabupaten Karawang memiliki permasalahan terkait dengan produk sampo berlebih yang dihasilkan. Salah satu produk inovasi yang dapat dibuat adalah sabun cuci piring. Inovasi produk perlu dilakukan sebagai preventif pencemaran lingkungan yang dapat timbul, perusahaan dapat mencapai target zero waste dan membantu Badan Usaha Milik Desa (BUMDes) melalui kegiatan Coorporate Social Responsibility (CSR) PT. X. Penelitian ini menggunakan metode trial and error serta dilakukan pengujian dengan parameter berupa pH, gravitasi spesifik, dan viskositas untuk memastikan produk yang dibuat berkualitas. Hasil pengujian akan dibandingan dengan SNI dan produk komersial. Hasil pengujian menunjukkan formulasi terbaik memiliki nilai pH 4,98, gravitasi spesifik 1,019, dan viskositas 424,8 cPs. Pengolahan sisa produk sampo menjadi sabun cuci piring dapat menjadi solusi produk inovatif sebagai pencegahan pencemaran lingkungan, mencapai target zero waste, dan menaikkan sirkular ekonomi masyarakat sekitar.
Co-Authors Adellia Nilam Cahya Aldi Yanto Amnur Pinomo Manurung Aries Purwanto Arnisa Stefanie Arristo Pancis Simanjorang Ayya Sophia Samad Berio Sofyan Niantoro Chaisya Wilver Cintiya Septa Hasannah Dwi Prasetyo Endah Purwanti Faris Diaztu Febrian Farradina Choria Suci Fatma Nurkhaerani Firda Ainun Nisah Gina Lova Sari Hurrul'Ain Quinizza Ibrahim Ibrahim Kania Ratnawati Marisa Handajani Meka Saima Perdani Muhammad Gilang Bayu Nur Ridha Amethysia Raka Wahyu Utama Reni Rahmadewi Rizqi Andika Prasetyo Sembiring, Emenda Sethiavi Rizki Shafa Camilla Az-zahra Vita Efelina Wahyudin Wahyudin Yuliarman Saragih Zulfa Amala